diff --git src/wp-includes/class-wp-tax-query.php src/wp-includes/class-wp-tax-query.php
index eb4b7849e2..4c95975096 100644
--- src/wp-includes/class-wp-tax-query.php
+++ src/wp-includes/class-wp-tax-query.php
@@ -637,6 +637,15 @@ class WP_Tax_Query {
 				break;
 		}
 
+		/**
+		 * Filters the terms query arguments when initiated by transform_query().
+		 *
+		 * @since 6.0.0
+		 *
+		 * @param array $args An array of get_terms() arguments.
+		*/
+		$args = apply_filters( 'transform_query_args', $args );
+
 		$term_query = new WP_Term_Query();
 		$term_list  = $term_query->query( $args );